Each PS1 game PS4 package file (.pkg) include emulator itself, so there is no included emulator in PS4 firmware.įact that emulator is now included in game pkg, is slightly complicating providing compatibility list, as emulators include some per title patches, and different default settings. Emulation on PS4 is handled differently comparing to PS3. Playstation 1 emulator called internally ps1hd. 5.1 On Real PS1 Hardware, PS2, PSP, PSV, PS3.